(19)

(11)

EP 1 766 462 A2

(12)

(88) Date of publication A3: 03.08.2006 (43) Date of publication: 28.03.2007 Bulletin 2007/13 (21) Application number: 05754190.6 (22) Date of filing: 19.05.2005

(51) International Patent Classification (IPC):  G02F 1/13(2006.01) G02F 1/1335(2006.01) (86) International application number: PCT/US2005/017994 (87) International publication number: WO 2005/114310 (01.12.2005 Gazette 2005/48)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU MC NL PL PT RO SE SI SK TR (30) Priority: 20.05.2004 US 850713 20.05.2004 US 850714 (71) Applicant: Alps Electric (North America), Inc. San Jose, CA 95119 (US)	(72) Inventors: LIN, Jibing Fremont, CA 94536 (US) TANG, Suning Fremont, CA 94539 (US) TANG, Yuanji Palo Alto, CA 94306 (US) AIHARA, Masami San Jose, CA 95129 (US) ITO, Naoki Kurokawa-gun, Miyagi-ken 981-3332 (JP) (74) Representative: McLeish, Nicholas Alistair Maxwell  Boult Wade Tennant Verulam Gardens 70 Gray's Inn Road London WC1X 8BT London WC1X 8BT (GB)